Shit spots! Potassium/Phosphorus Deficiency?

Weouthere

Weouthere

Well-Known Member
Federucci said:
A lot of the time the damage has already been done but you can rectify that on the new growth, if I were you, I would hold off on the watering with calmag, or watering period until it needs another watering, possibly a day or two until the top inch or so of soil gets dry, and then flush again with the magical cal mag at around 6.0 pH. You can also do a foliar feed of the calmag today and observe the results too. The fact that it has slowed tells us that you're on the right track man!

One question I have is do you know how many lux or PAR is shining down on these girls? I just realized that I was bombarding the plants a while ago and due to the light stress they showed yellowing in some higher areas on the exposed leaves with yellowish kinda burnt ends going into a tip, and it might be my imagination, but I took another look at your plants and they looked similar to mine at that stage last year, some of the taller leaves were a bit yellow with those tips, but some of the lower ones also have those tips, and it's hard to tell for sure in your first post photos, but the centermost plants appear a little yellower than the lower leaves and those around the edges.
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I don’t have a lux/parr meter but I would like to get one eventually. The apps on my phone are useless
 
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Federucci

Well-Known Member
That's exactly what I did, raise it to about 20-24" from the top and slowly lower it an inch or so every 2-3 days and observing for any signs of stress. It's just one more variable to knock out man! I use the "Dr. Meter LX1330B" and it works very well. If you can wait for a sale on Amazon, it was closer to $30 than $40. I am not that good at figuring out plants, or anything really lol, by just looking at them, so it really helped to have some kind of number so I know what to base light heights and that kind of stuff off of to understand how this stuff works better.
 
Weouthere

Weouthere

Well-Known Member
Federucci said:
That's exactly what I did, raise it to about 20-24" from the top and slowly lower it an inch or so every 2-3 days and observing for any signs of stress. It's just one more variable to knock out man! I use the "Dr. Meter LX1330B" and it works very well. If you can wait for a sale on Amazon, it was closer to $30 than $40. I am not that good at figuring out plants, or anything really lol, by just looking at them, so it really helped to have some kind of number so I know what to base light heights and that kind of stuff off of to understand how this stuff works better.
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That’s exactly where I’m at. I want to understand it better! It helps me a lot to do it versus reading about it obviously. I’ll check out that meter too man thanks!
 
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Federucci

Well-Known Member
I think if people just talked and helped each other or at least try to figure things out together, things may not be the way they are, but I digress. I'm excited to see your results!
 
Weouthere

Weouthere

Well-Known Member
Federucci said:
How's it looking man?
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I was just hopping on to update ya!!
I went crabbing/clamming the 3 days and had my girlfriend takecare of the plants. She’s very involved so I trust her a lot with them.
I premixed water before I left and she pH’ed it before watering while I was gone. She gave a bigger dose of the Jacks 10–30-20(1/2 tsp) and some calmag again. It seems to keep getting worse.. it doesn’t seem to have slowed. She kept me updated with pictures.
i had her do a flush this morning with pH’ed water so hopefully that helps.
pics to come after I shower, I’m fucking nasty LOL
 
Weouthere

Weouthere

Well-Known Member
Weouthere said:
I was just hopping on to update ya!!
I went crabbing/clamming the 3 days and had my girlfriend takecare of the plants. She’s very involved so I trust her a lot with them.
I premixed water before I left and she pH’ed it before watering while I was gone. She gave a bigger dose of the Jacks 10–30-20(1/2 tsp) and some calmag again. It seems to keep getting worse.. it doesn’t seem to have slowed. She kept me updated with pictures.
i had her do a flush this morning with pH’ed water so hopefully that helps.
pics to come after I shower, I’m fucking nasty LOL
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Here’s those pics. One is from under the canopy. The last one is my whole tent (obviously). Icicles (doing great!) on the back left and right, Farmers Fire in the front left, and the ATF on the right. They look great from that view but i just don’t know..
I thought calmag or phosphorus.. I gave it both!
the Icicles are doing great and their leaves are still all dark green. The soil is the same and they’ve gotten the same water..I even have a farmers fire outside in the same mix..doing Great!
 

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Weouthere

Weouthere

Well-Known Member
Little update if y’all don’t mind. I have another question as well..
the flushes seem to have helped. I flushed all the plants since they were all showing weird things. Had to cull one of the Icicles.

ATF- looking way better. Maybe a small mag def now but nothing too crazy. The serious splotches have stopped.

Farmers Fire- this one looks better, but again there seems to be a new little bit of spotting going on. Not sure what it is.. maybe Ca? Pics are of this plant. Small little necrotic spots on some of the middle leaves/upper leaves.

Icicles- looks okay.. dark overall and some of the leaves are looking like red/purple stained and slightly droopy. I’m thinking p/k def. I have some “bud blaster” 1-52-39 and Jacks 10-30-20. Either one of those would work? Pics to come of this girl
 

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Federucci

Well-Known Member
Very strange indeed, it's almost like a copper deficiency coupled with manganese on those leaves with the brown spots and the yellowing around the edges, but I m def no expert.
 
Weouthere

Weouthere

Well-Known Member
Federucci said:
That's rad man! Hope you got a good haul. What is your watering regimen?
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I water the farmers fire and atf every 3-4 days. The icicles drinks more so it gets water ever 2-3 days.
They each get a gallon of water with the tea (0.2-0.2-0.2) pHed to 6.2-6.3. That’s at a minimum. I am going to give the Jacks in light doses along with another dose calmag for the ATF and Farmers Fire.
When I flushed it was just straight pH’ed water. Gotta do another with the Jacks and calmag..
The purple on the Icicles is confusing me a lot.. p def?
definitely using a different soil mix next run.
 
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Federucci

Well-Known Member
The purpling patches and stuff seems like it could have been a molybdenum deficiency buddy.

Edit: I am reading that light burn can cause all of these things too. What a complex thing to get into lol.
 
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